package com.heima.wemedia.service.impl;

import cn.hutool.db.Page;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.wemeda.dto.WmUserLoginDto;
import com.heima.model.wemeda.entity.WmUser;
import com.heima.utils.common.AppJwtUtil;
import com.heima.wemedia.dao.WmUserDao;
import com.heima.wemedia.service.WmUserService;
import io.jsonwebtoken.Jwts;
import org.apache.commons.lang3.StringUtils;
import org.springframework.data.domain.PageImpl;
import org.springframework.data.domain.PageRequest;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import javax.annotation.Resource;
import java.util.HashMap;
import java.util.Map;

/**
 * 自媒体用户表(WmUser)表服务实现类
 *
 * @author makejava
 * @since 2022-04-09 20:25:34
 */
@Service("wmUserService")
public class WmUserServiceImpl implements WmUserService {
    @Resource
    private WmUserDao wmUserDao;

    /**
     * 通过ID查询单条数据
     *
     * @param id 主键
     * @return 实例对象
     */
    @Override
    public WmUser queryById(Integer id) {
        return this.wmUserDao.queryById(id);
    }

    /**
     * 分页查询
     *
     * @param wmUser      筛选条件
     * @param pageRequest 分页对象
     * @return 查询结果
     */
//    @Override
//    public Page<WmUser> queryByPage(WmUser wmUser, PageRequest pageRequest) {
//        long total = this.wmUserDao.count(wmUser);
//        return new PageImpl<>(this.wmUserDao.queryAllByLimit(wmUser, pageRequest), pageRequest, total);
//    }

    /**
     * 新增数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser insert(WmUser wmUser) {
        this.wmUserDao.insert(wmUser);
        return wmUser;
    }

    /**
     * 修改数据
     *
     * @param wmUser 实例对象
     * @return 实例对象
     */
    @Override
    public WmUser update(WmUser wmUser) {
        this.wmUserDao.update(wmUser);
        return this.queryById(wmUser.getId());
    }

    /**
     * 通过主键删除数据
     *
     * @param id 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Integer id) {
        return this.wmUserDao.deleteById(id) > 0;
    }


    //登录
    @Override
    public ResponseResult login(WmUserLoginDto dto) {
        //1.检查参数
        if (StringUtils.isBlank(dto.getName()) || StringUtils.isBlank(dto.getPassword())) {
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_REQUIRE);
        }
        //2.查询用户
        WmUser wmUser = wmUserDao.queryByName(dto.getName());
        if (wmUser == null) {
            return ResponseResult.errorResult(AppHttpCodeEnum.AP_USER_DATA_NOT_EXIST);
        }
        //3.比对密码
        String salt = wmUser.getSalt();
        String password = dto.getPassword();
        //3.1数据库加密密码
        password = DigestUtils.md5DigestAsHex((password + salt).getBytes());
        if (password.equals(wmUser.getPassword())) {
            //4.返回数据  jwt
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(wmUser.getId().longValue()));
            wmUser.setSalt("");
            wmUser.setPassword("");
            map.put("user", wmUser);
            return ResponseResult.okResult(map);
        }else {
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }

    }


    public static void main(String[] args) {
        String pwd = DigestUtils.md5DigestAsHex((1 + "abc").getBytes());
        System.out.println(pwd);
    }
}
